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Paper detail

Multiple-source multiple-sink maximum flow in planar graphs

In this paper we show an O(n^(3/2) log^2 n) time algorithm for finding a maximum flow in a planar graph with multiple sources and multiple sinks. This is the fastest algorithm whose running time depends only on the number of vertices in the graph. For general (non-planar) graphs the multiple-source multiple-sink version of the maximum flow problem is as difficult as the standard single-source single-sink version. However, the standard reduction does not preserve the planarity of the graph, and it is not known how to generalize existing maximum flow algorithms for planar graphs to the multiple-source multiple-sink maximum flow problem.

preprint2010arXivOpen access
Yahav Nussbaum
Data Structures and AlgorithmsDiscrete Mathematics
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Yahav Nussbaum

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